INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '50f7e951de48db5a17f462bc79801d48cc99ce3dd2b61ea3009a1f539983030f', 
    'MNu8f0KyInRuggULshHA7ZdtMz4Mn8TkTmqCa2ZWYiw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00032

Result

int(1)